developmental biologist造句

with the efforts of generations of developmental biologists, detailed cell migration pathways in different kind of vertebrate embryos have been clarified, but unfortunately, mechanism underlying has been poorly known by now partially because of the uncertainty of the cellular events happening
由于组织不透明难以进行活体观察。细胞运动是所有后生动物发育过程中都能观察到的一种生命现象，阐明细胞运动机制对于形态发生机制的了解具有重要意义。
It's difficult to find developmental biologist in a sentence. 用developmental biologist造句挺难的